Rinnai CX Series 9 GPM Indoor Tankless Water Heater – Natural Gas (Model CX160IN)

Experience the future of home water heating with the Rinnai CX Series 9 GPM Indoor Tankless Water Heater (CX160IN). Designed for high efficiency and reliability, this natural gas-powered unit delivers continuous hot water on demand for households of all sizes. With Smart-Sense™ adaptive technology and Bluetooth® connectivity, it brings intelligent comfort and energy savings right to your fingertips.

Built with a stainless steel primary heat exchanger, Smart-Circ™ compatibility, and field-convertible fuel options, the Rinnai CX160IN offers exceptional flexibility, durability, and performance. Perfect for homeowners seeking a sustainable, space-saving solution that never runs out of hot water.

Key Features:

• 9 GPM Flow Rate: Provides consistent hot water for multiple fixtures simultaneously.
• Smart-Sense™ Gas Valve Technology: Automatically adapts to NG or LP for optimized performance.
• Smart-Connect™ Bluetooth® Control: Connect and manage your unit via smartphone or tablet.
• Smart-Circ™ Ready: Add an optional pump for faster hot water recirculation.
• Stainless Steel Heat Exchanger: Ensures long-term corrosion resistance and superior efficiency.
• Compact, Space-Saving Design: Perfect for indoor installation with minimal footprint.
• Field Convertible: Easily switch between natural gas and propane—no extra kit required.
• Versatile Venting Options: Supports concentric and PVC venting up to 75 ft.
• Quiet & Reliable: Advanced design ensures whisper-quiet operation and dependable heating.
• Extended Warranty: 15-year heat exchanger, 5-year parts, 1-year labor coverage.

What’s Included

• Rinnai SENSEI® CX Water Heater (CX160IN)
• Wall Mounting Bracket
• (4) Self-Tapping Screws (4.2 x 25mm)
• Gas Conversion Label (Propane)
• (2) Vent Screens and Screws
• Installation & Operation Manual
• Cascade Cable Assembly
• Venting and Controller Compatibility Accessories

  Isolation Valve Kit (MIVK-T-LW) sold separately.

Specifications

Care & Maintenance Instructions

• Flush the system annually to prevent scale buildup and maintain peak efficiency.
• Inspect venting and gas connections periodically for leaks or blockages.
• Clean air filters every 6 months or as needed.
• Keep the unit clear of dust and debris to ensure proper ventilation.
• Use Rinnai-approved descaling solutions and accessories for best performance.
• Always have maintenance or service performed by a certified technician.